Centre National De La Recherche Scientifique

Université Paris Diderot-Paris 7

Université Paris Diderot

Cyrille Costentin

Jean-Michel Saveant

Marc Robert

Samuel Drouet

Arnaud Tatin

Guillaume Passard

Iban Azcarate

The present invention relates to porphyrins of formula (I): wherein Rto R, Rto R, X, X' Y and Y&#x2032; are as described in claim. The invention also relates to complexes of said porphyrins with transition metals, in particular iron, preferably as Fe(III) or Fe(0) complex, and salts thereof, use thereof as catalysts for the selective electrochemical reduction of COinto CO, electrochemical cells comprising said complexes, and a method for selectively reducing electrochemically COinto CO using said complexes. 

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The present invention relates to catalysts for the production of CO gas through electrochemical COreduction. In particular, the present invention relates to an electrochemical cell comprising an iron porphyrin as the catalyst for the COreduction into CO, a method of performing electrochemical reduction of COusing said electrochemical cell thereby producing CO gas, and a method of performing electrochemical reduction of COusing said iron porphyrin catalyst thereby producing CO gas.

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Montreuil, France

Cyrille Costentin